Full Product Manual

Quick Specs
HydroStop® PremiumCoat® Liquid-Applied Roong (LAR) – Version 1.3
36
QUICK SPEC
CORRUGATED STRUCTURAL TRANSITE PANELS – HYDROSTOP® PREMIUMCOAT® (HS-8)
Method
Requirements
Applicaon
Instrucons
• Moisture survey recommended for all non-metal roofs.
• Roof must be clean, dry, and tight.
• Adhesion test required to ensure proper adhesion to substrate(s).
• Apply at 50°F (10°C) and rising with no rain, dew, fog or freezing temperatures in
forecast for 24 hours.
• GAF recommends that the surface temperature be at or less than 110°F (43°C)
during application.
1. Before applying the HydroStop® PremiumCoat® System, an adhesion test is
required to ensure an adhesion of a minimum of 2.0 PLI. Test patches to be
applied with system rates listed below.
2. Conduct moisture survey and remove/replace all wet areas
3. Repair or replace damaged or deteriorated secons with like materials,
allowing cemenous products to cure properly.
4. Power wash roof to ensure it is free of dirt, debris, oil, and other contaminants
that could negavely aect adhesion. United Cleaning Concentrate (UCC) is
recommended to clean the roof. Allow to completely dry.
5. Prime with Epoxy Primer.
6. Treat transite gaps in excess of 1/16” (1.6mm) with a compable caulk.
7. Treat all roof penetraons, drains, curbs, caulked gaps, and scuppers.
8. Apply HydroStop® PremiumCoat® Foundaon Coat and Finish Coat per the
chart below.
• Use GAF Roof Brush to apply HydroStop® PremiumCoat® Foundaon Coat
• Spray, roller, or brush apply HydroStop® PremiumCoat® Finish Coat
NOTE: The following “Quick Spec” is an abbreviated specicaon and is not meant to replace the detailed
specicaon. Read the enre 3-Part CSI System Specicaon prior to starng the project. Specicaons are
available at www.gaf.com.
SEAMS & DETAILS | HYDROSTOP® PREMIUMCOAT® SYSTEM
Treatment Type Product
Total
(Gal/Sq)
DFT*
(mils)
3-Coursed Rates HydroStop® Buer Grade and Fabric 4.0 43
Flashing Grade Only Rates HydroStop® Buer Grade 2.0 19
CORRUGATED STRUCTURAL TRANSITE PANEL
HYDROSTOP® PREMIUMCOAT® SYSTEM
Foundaon Coat
(with fabric)
Finish Coat System Warranty
Total
(Gal/Sq)
DFT*
(mils)
1st Coat
(Gal/Sq)
2nd Coat
(Gal/Sq)
3rd Coat
(Gal/Sq)
Total
(Gal/Sq)
DFT*
(mils)
Total
(Gal/Sq)
DFT*
(mils)
Emerald
Pledge™
Diamond
Pledge™
10 Year 2.5 27 0.75 0.75 1.50 13 4.00 40 Yes Yes
15 Year 2.5 27 1.00 1.00 2.00 17 4.50 44 Yes Yes
20 Year 2.5 27 1.00 1.00 1.00 3.00 25 5.50 52 Yes Yes
* Dry Film Thickness (DFT) is rounded to nearest mil, and is theorecal. Actual DFT will vary dependent on substrate prole, applicaon
technique and waste factor.
Note: DFT for 3-coursed rates includes 6 mils for the fabric.
IMPORTANT NOTE: Corrugated structural transite panels may contain asbestos. Follow all applicable local, state and federal regulations concerning
asbestos. Under no circumstances does GAF have any liability for any damages, costs or expenses arising out of or associated with the pre-existing
presence of asbestos-containing materials or any other allegedly hazardous substances or materials upon on the roof to which the new GAF roofing
materials are being applied.